CVE-2017-2666 Information

Description

It was discovered in Undertow that the code that parsed the HTTP request line permitted invalid characters. This could be exploited in conjunction with a proxy that also permitted the invalid characters but with a different interpretation to inject data into the HTTP response. By manipulating the HTTP response the attacker could poison a web-cache perform an XSS attack or obtain sensitive information from requests other than their own.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Reference

http://rhn.redhat.com/errata/RHSA-2017-1409.html http://www.securityfocus.com/bid/98966 https://access.redhat.com/errata/RHSA-2017:1410 https://access.redhat.com/errata/RHSA-2017:1411 https://access.redhat.com/errata/RHSA-2017:1412 https://access.redhat.com/errata/RHSA-2017:3454 https://access.redhat.com/errata/RHSA-2017:3455 https://access.redhat.com/errata/RHSA-2017:3456 https://access.redhat.com/errata/RHSA-2017:3458 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2666 https://www.debian.org/security/2017/dsa-3906

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.5